冲压空气涡轮舱门联动机构动力学仿真及优化  

Dynamics Simulation and Optimization of Door Linkage Mechanism of Ram Air Turbine

作　　者：杜鑫 卢岳良[1] 陈建伟 DU Xin;LU Yueliang;CHEN Jianwei(China Aviation Industry Nanjing Electrical Research Center,Nanjing 211106,China)

机构地区：[1]航空工业南京机电液压工程研究中心,南京211106

出　　处：《机械工程师》2021年第1期143-145,148,共4页Mechanical Engineer

摘　　要：分析了冲压空气涡轮系统(RAT)的舱门联动机构的结构及工作原理,并在运动学仿真平台ADAMS环境下建立舱门联动机构的多体动力学仿真模型。通过对影响舱门联动机构性能的各关键因素进行参数化处理,运用试验研究方法,仿真分析了各设计变量对目标值的影响。通过Design exploration工具,对舱门联动机构主要铰接点位置进行了优化,优化后收放作动筒的受力情况得到了有效改善,达到了优化目的。This paper analyzes the structure and working principle of the door linkage mechanism of the ram air turbine(RAT)in and then establishes the multi-body dynamic simulation model of the door linkage mechanism in ADAMS.The key factors affecting the performance of the door linkage mechanism are parameterized,the effect of each design variable on target value are analyzed.The position of the hinge point of the RAT’s door linkage mechanism is optimized using the Design Exploration tool.The force of the actuator is decreased obviously,which achieves the purpose of optimization.

关 键 词：冲压空气涡轮系统 连杆机构 优化设计 

分 类 号：V228[航空宇航科学与技术—飞行器设计]